| Tournament | Round | Bettina Tonkin | Jane Dalton |
| 06.04.2008 MAXIMIN APRIL (WA) | 2 | 327 | 379 |
| 05.10.2008 SPRING MAXIMIN 2008 (WA) | 7 | 442 | 299 |
| 16.08.2009 ROCKINGHAM 2009 (WA) | 2 | 354 | 302 |
| 30.08.2009 Winter Open (WA) | 8 | 291 | 359 |
| 24.01.2010 MaxiMin January 2010 (WA) | 5 | 344 | 356 |
| 04.07.2010 WA BISECTION (WA) | 5 | 373 | 344 |
| 19.09.2010 YOKINE 2010 (WA) | 4 | 309 | 386 |
| 12.12.2010 WA December Open (WA) | 5 | 376 | 386 |
| 23.01.2011 Summer Maximin (WA) | 7 | 390 | 418 |
| 03.04.2011 APRIL MAXIMIN (WA) | 7 | 357 | 319 |
| 01.05.2011 MELVILLE MAY (WA) | 7 | 343 | 356 |
| 03.07.2011 WA Bi-Section 2011 (WA) | 5 | 366 | 379 |
| 22.04.2012 ANZAC MAXIMIN (WA) | 3 | 397 | 319 |
| 01.07.2012 BISECTION (WA) | 2 | 326 | 344 |
| 10.03.2013 March Trisection (WA) | 5 | 317 | 437 |
| 07.04.2013 APRIL MAXIMIN (WA) | 2 | 427 | 315 |
| 19.05.2013 MELVILLE (WA) | 2 | 314 | 296 |
| 07.07.2013 July Bisection (WA) | 5 | 390 | 388 |
| 23.02.2014 RRFEB (WA) | 1 | 420 | 321 |
| 06.07.2014 JULY OPEN (WA) | 5 | 415 | 402 |
| 27.07.2014 BASSENDEAN (WA) | 7 | 398 | 344 |
| 12.10.2014 YOOF OCT (WA) | 5 | 326 | 257 |
| 09.11.2014 Round Robin NOV (WA) | 2 | 246 | 364 |
| 17.05.2015 Melville (WA) | 4 | 325 | 324 |
| Head-to-head after 24 games | 13 | 11 | |
| Average score | 357.2 | 349.75 | |
| Spread: | 179 | -179 | |